<%--
  Created by IntelliJ IDEA.
  User: humeng
  Date: 2022/10/26
  Time: 11:02
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>1</title>
</head>
<body>
<%--application内置对象在web服务器启动后就产生了这样一个对象,所有用户共享这个对象--%>
<%
    out.println(application.getAttribute("username"));
%>

</body>
</html>
